| Item | Usb Telephone Handset |
| Waterproof Grade | IP65 |
| Ambient Noise | ≤60dB |
| Working Frequency | 300～3400 Hz |
| SLR | 5～15 dB |
| RLR | -7～2 dB |
| STMR | ≥7 dB |
| Working Temperature | -25℃～+65℃ |
| Relative Humidity | ≤95％ |
| Atmospheric Pressure | 80～110 K Pa |
Material:
1. RoHS approved ChiMei Polycarbonate (Optional)
2. UL/RoHS approved ChiMei Acrylate Styrene Acrylonitrile (Default)
3. PC copolymer with enhanced UV stabilization Lexan Resin SLX2432T (Optional)
4. Explosion-proof Carbon loaded ABS and flame resistant ABS material are available
Cord Length:
1. PVC curly cord (Default) - Standard cord length 9 inch in retracted, 6 feet after extended (Default) - Customized different length is available.
2. Weather resistant PVC curly cord (Optional)
3. Hytrel curly cord (Optional)
| Waterproof Grade | IP65 |
| Ambient Noise | ≤60dB |
| Working Frequency | 300～3400 Hz |
| SLR | 5～15 dB |
| RLR | -7～2 dB |
| STMR | ≥7 dB |
| Working Temperature | -25℃～+65℃ |
| Relative Humidity | ≤95％ |
| Atmospheric Pressure | 80～110 K Pa |
It is mainly designed for voip telephone, self-service PC, access control system, industrial telephone, vending machine, security system and some other public facilities. This handset is with basic stands and communication mainboard. You could answer a call after connect it with telecom line.
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